    ``<template>
    <div class="container">
        <div class="header">
            <h2 style="color: red; text-align: center">这部分测试不能做笔记</h2>
        </div>
        <div class="content">
            <div class="left"></div>
            <div class="center">
                <div class="el-row">
<!--                    <div>你正在听相应的<h1 >字母</h1>音频。。。。</div>-->
                    <div class="normal">
                    {{word}}
                    </div>

                </div>
            </div>
            <div class="right"></div>
        </div>
        <div class="footer"></div>
    </div>

</template>

<script>
    import GLOBAL from './../../../plugins/global_variable'

    export default {
        name: "LStrainlistenL",
        data() {
            return {
                // user不一定能用到
                user: {
                    id: '',
                    email: '',
                    invited_code: '',
                    test_fin_time: '',
                    register_time: '',
                },
                word:'',
                timer:'',

            };
        },
        methods: {
            forced_jump() {
                //如果临时数组为空，跳到字母判断
                if (GLOBAL.temp_LS_src.length === 0) {
                    this.$router.push('/LStrainjudgeL');
                }
                //否则跳到听句子
                else {
                    this.$router.push('/LStrainjudgeS');
                }
            },
        },
        created() {
            this.word=GLOBAL.temp_LS_src.shift();
            this.timer = setTimeout(()=>{
                this.forced_jump();
            },1000)
            document.body.style.backgroundColor="#DCDCDC";


        },
        mounted() {
            history.pushState(null, null, document.URL);
            window.addEventListener('popstate', function () {
                history.pushState(null, null, document.URL);
            });

        },
        beforeDestroy() {
            clearTimeout(this.timer);
        }
    }
</script>

    <style scoped>
        .container{
            display: flex;
            flex-direction: column;
            height: 100vh;
        }
        .header{
            display: flex;
            flex-direction: column;
            height: 40vh;
        }
        .footer{
            height: 75px;
        }
        .content{
            display: flex;
            flex-direction: row;
            flex: 1;
        }
        .el-row{
            display: flex;
            flex-direction: row;
            justify-content: center;
            margin-bottom:80px
        }
        .left,.right{
            width:400px;
        }
        .center{
            flex: 1;
        }
        .row{
            display: flex;
            justify-content: space-around;
            margin-bottom:80px
        }
        .normal{
            font-size:30px;
            font-weight:700;
            font-family: "akkurat", sans-serif;
        }
    </style>